38401377387571 has 16 divisors (see below), whose sum is σ = 41992161609600. Its totient is φ = 34827242042880.

The previous prime is 38401377387539. The next prime is 38401377387613. The reversal of 38401377387571 is 17578377310483.

It is a cyclic number.

It is not a de Polignac number, because 38401377387571 - 2⁵ = 38401377387539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38401377387071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31741840 + ... + 32929426.

It is an arithmetic number, because the mean of its divisors is an integer number (2624510100600).

Almost surely, 2^{38401377387571} is an apocalyptic number.

38401377387571 is a deficient number, since it is larger than the sum of its proper divisors (3590784222029).

38401377387571 is a wasteful number, since it uses less digits than its factorization.

38401377387571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194594.

The product of its (nonzero) digits is 82978560, while the sum is 64.

The spelling of 38401377387571 in words is "thirty-eight trillion, four hundred one billion, three hundred seventy-seven million, three hundred eighty-seven thousand, five hundred seventy-one".